/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 07:02:34,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 07:02:34,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 07:02:34,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 07:02:34,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 07:02:34,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 07:02:34,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 07:02:34,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 07:02:34,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 07:02:34,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 07:02:34,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 07:02:34,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 07:02:34,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 07:02:35,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 07:02:35,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 07:02:35,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 07:02:35,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 07:02:35,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 07:02:35,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 07:02:35,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 07:02:35,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 07:02:35,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 07:02:35,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 07:02:35,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 07:02:35,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 07:02:35,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 07:02:35,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 07:02:35,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 07:02:35,042 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 07:02:35,043 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 07:02:35,043 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 07:02:35,044 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 07:02:35,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 07:02:35,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 07:02:35,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 07:02:35,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 07:02:35,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 07:02:35,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 07:02:35,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 07:02:35,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 07:02:35,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 07:02:35,052 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 07:02:35,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 07:02:35,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 07:02:35,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 07:02:35,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 07:02:35,108 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 07:02:35,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 07:02:35,109 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 07:02:35,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 07:02:35,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 07:02:35,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 07:02:35,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 07:02:35,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 07:02:35,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 07:02:35,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 07:02:35,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 07:02:35,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 07:02:35,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 07:02:35,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 07:02:35,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 07:02:35,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 07:02:35,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 07:02:35,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:35,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 07:02:35,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 07:02:35,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 07:02:35,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 07:02:35,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 07:02:35,115 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 07:02:35,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 07:02:35,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 07:02:35,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 07:02:35,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 07:02:35,460 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 07:02:35,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 07:02:35,462 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 07:02:35,463 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-10-14 07:02:35,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5a98c664/b8c0da87f75148c6b68bfa91f75761f8/FLAG6e789dfde [2020-10-14 07:02:36,073 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 07:02:36,073 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product04.cil.c [2020-10-14 07:02:36,090 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5a98c664/b8c0da87f75148c6b68bfa91f75761f8/FLAG6e789dfde [2020-10-14 07:02:36,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f5a98c664/b8c0da87f75148c6b68bfa91f75761f8 [2020-10-14 07:02:36,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 07:02:36,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 07:02:36,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:36,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 07:02:36,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 07:02:36,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:36" (1/1) ... [2020-10-14 07:02:36,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c71f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:36, skipping insertion in model container [2020-10-14 07:02:36,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:02:36" (1/1) ... [2020-10-14 07:02:36,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 07:02:36,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 07:02:36,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:36,875 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 07:02:36,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 07:02:37,005 INFO L208 MainTranslator]: Completed translation [2020-10-14 07:02:37,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37 WrapperNode [2020-10-14 07:02:37,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 07:02:37,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 07:02:37,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 07:02:37,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 07:02:37,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... [2020-10-14 07:02:37,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 07:02:37,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 07:02:37,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 07:02:37,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 07:02:37,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 07:02:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 07:02:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 07:02:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:37,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:37,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 07:02:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 07:02:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 07:02:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 07:02:37,215 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 07:02:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 07:02:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 07:02:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-14 07:02:37,216 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-14 07:02:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 07:02:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-14 07:02:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 07:02:37,217 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 07:02:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-14 07:02:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-14 07:02:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-14 07:02:37,218 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-14 07:02:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-14 07:02:37,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-14 07:02:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-14 07:02:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-14 07:02:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-14 07:02:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-14 07:02:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:37,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:37,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 07:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 07:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 07:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 07:02:37,222 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 07:02:37,223 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 07:02:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 07:02:37,224 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 07:02:37,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 07:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 07:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 07:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 07:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-14 07:02:37,226 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-14 07:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-14 07:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-14 07:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-14 07:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-14 07:02:37,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 07:02:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-14 07:02:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 07:02:37,228 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-14 07:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 07:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-14 07:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-14 07:02:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-14 07:02:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 07:02:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 07:02:38,313 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 07:02:38,313 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-14 07:02:38,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:38 BoogieIcfgContainer [2020-10-14 07:02:38,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 07:02:38,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 07:02:38,325 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 07:02:38,328 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 07:02:38,328 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:02:36" (1/3) ... [2020-10-14 07:02:38,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9b352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:38, skipping insertion in model container [2020-10-14 07:02:38,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:02:37" (2/3) ... [2020-10-14 07:02:38,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9b352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:02:38, skipping insertion in model container [2020-10-14 07:02:38,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:02:38" (3/3) ... [2020-10-14 07:02:38,333 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2020-10-14 07:02:38,343 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 07:02:38,352 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 07:02:38,363 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 07:02:38,388 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 07:02:38,389 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 07:02:38,389 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 07:02:38,389 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 07:02:38,389 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 07:02:38,390 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 07:02:38,390 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 07:02:38,390 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 07:02:38,413 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2020-10-14 07:02:38,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-14 07:02:38,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:38,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:38,425 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:38,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:38,432 INFO L82 PathProgramCache]: Analyzing trace with hash 972892505, now seen corresponding path program 1 times [2020-10-14 07:02:38,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:38,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839055610] [2020-10-14 07:02:38,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:38,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:39,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:41,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:43,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:43,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-14 07:02:43,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:43,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 07:02:43,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:43,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:43,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:43,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-14 07:02:43,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 07:02:44,268 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:44,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-14 07:02:44,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:44,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:44,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,438 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:44,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:44,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,449 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:44,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 07:02:44,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:44,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:44,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:44,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:44,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:44,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-14 07:02:44,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:44,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:44,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,502 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:44,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:02:44,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:44,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:44,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:44,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 07:02:44,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:44,513 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:44,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:44,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:44,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 07:02:44,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:44,539 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839055610] [2020-10-14 07:02:44,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:44,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-14 07:02:44,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074600334] [2020-10-14 07:02:44,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-14 07:02:44,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:44,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-14 07:02:44,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:44,587 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 4 states. [2020-10-14 07:02:45,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:45,748 INFO L93 Difference]: Finished difference Result 229 states and 304 transitions. [2020-10-14 07:02:45,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-14 07:02:45,750 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-14 07:02:45,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:45,764 INFO L225 Difference]: With dead ends: 229 [2020-10-14 07:02:45,765 INFO L226 Difference]: Without dead ends: 131 [2020-10-14 07:02:45,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-14 07:02:45,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-14 07:02:45,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 99. [2020-10-14 07:02:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-10-14 07:02:45,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2020-10-14 07:02:45,852 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 51 [2020-10-14 07:02:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:45,852 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2020-10-14 07:02:45,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-14 07:02:45,853 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2020-10-14 07:02:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-14 07:02:45,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:45,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:45,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 07:02:45,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:45,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:45,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1607408945, now seen corresponding path program 1 times [2020-10-14 07:02:45,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:45,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [41655018] [2020-10-14 07:02:45,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:45,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:45,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:46,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:47,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:47,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:48,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:50,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:50,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-14 07:02:50,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 07:02:50,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 07:02:50,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:50,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:50,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-14 07:02:50,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 07:02:50,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,226 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:51,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 07:02:51,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,261 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:51,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,286 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:51,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:51,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,292 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:51,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:51,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-14 07:02:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:51,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:51,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-14 07:02:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:51,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:51,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:51,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:51,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:51,324 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:51,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-14 07:02:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:51,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:51,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [41655018] [2020-10-14 07:02:51,334 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:51,334 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-14 07:02:51,334 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922267816] [2020-10-14 07:02:51,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-14 07:02:51,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:51,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-14 07:02:51,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-14 07:02:51,337 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 5 states. [2020-10-14 07:02:51,883 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-10-14 07:02:52,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:52,481 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2020-10-14 07:02:52,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-14 07:02:52,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-10-14 07:02:52,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:52,484 INFO L225 Difference]: With dead ends: 161 [2020-10-14 07:02:52,484 INFO L226 Difference]: Without dead ends: 121 [2020-10-14 07:02:52,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-14 07:02:52,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-10-14 07:02:52,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 90. [2020-10-14 07:02:52,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-14 07:02:52,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 102 transitions. [2020-10-14 07:02:52,522 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 102 transitions. Word has length 52 [2020-10-14 07:02:52,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:52,523 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 102 transitions. [2020-10-14 07:02:52,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-14 07:02:52,523 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2020-10-14 07:02:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-14 07:02:52,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 07:02:52,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 07:02:52,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 07:02:52,526 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 07:02:52,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 07:02:52,526 INFO L82 PathProgramCache]: Analyzing trace with hash -712810545, now seen corresponding path program 1 times [2020-10-14 07:02:52,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 07:02:52,527 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129973094] [2020-10-14 07:02:52,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 07:02:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:52,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:52,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:53,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:53,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-14 07:02:57,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 07:02:57,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-14 07:02:57,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-14 07:02:57,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 07:02:57,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-14 07:02:57,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:57,887 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:02:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 07:02:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:57,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-14 07:02:57,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 07:02:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:57,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 07:02:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:57,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:57,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:57,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 07:02:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:57,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 07:02:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 07:02:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:57,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-14 07:02:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 07:02:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 07:02:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:57,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-14 07:02:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:57,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 07:02:57,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 07:02:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:57,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 07:02:57,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-14 07:02:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 07:02:57,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 07:02:57,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 07:02:57,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 07:02:57,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 07:02:57,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 07:02:57,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 07:02:57,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 07:02:57,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 07:02:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 07:02:57,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 07:02:57,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 07:02:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-14 07:02:58,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129973094] [2020-10-14 07:02:58,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 07:02:58,005 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-14 07:02:58,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367727843] [2020-10-14 07:02:58,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-14 07:02:58,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 07:02:58,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-14 07:02:58,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-14 07:02:58,007 INFO L87 Difference]: Start difference. First operand 90 states and 102 transitions. Second operand 8 states. [2020-10-14 07:02:58,355 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-10-14 07:02:59,194 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-10-14 07:02:59,458 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:59,693 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-10-14 07:02:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 07:02:59,881 INFO L93 Difference]: Finished difference Result 167 states and 214 transitions. [2020-10-14 07:02:59,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-14 07:02:59,882 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-10-14 07:02:59,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 07:02:59,883 INFO L225 Difference]: With dead ends: 167 [2020-10-14 07:02:59,883 INFO L226 Difference]: Without dead ends: 0 [2020-10-14 07:02:59,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-14 07:02:59,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-14 07:02:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-14 07:02:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-14 07:02:59,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-14 07:02:59,887 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-10-14 07:02:59,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 07:02:59,888 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-14 07:02:59,888 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-14 07:02:59,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-14 07:02:59,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-14 07:02:59,888 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 07:02:59,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-14 07:03:01,103 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:01,253 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:01,443 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:01,585 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:01,744 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:01,911 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:02,066 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:02,237 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:02,377 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:02,627 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-10-14 07:03:02,788 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:03:02,938 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:03:03,086 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 12 [2020-10-14 07:03:03,235 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:03,391 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:03,547 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 20 [2020-10-14 07:03:03,693 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:03,832 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 11 [2020-10-14 07:03:03,970 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:04,108 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 8 [2020-10-14 07:03:04,118 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-10-14 07:03:04,118 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-10-14 07:03:04,119 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-10-14 07:03:04,120 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-10-14 07:03:04,120 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-10-14 07:03:04,120 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-10-14 07:03:04,120 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-10-14 07:03:04,120 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-10-14 07:03:04,121 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-10-14 07:03:04,121 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2020-10-14 07:03:04,121 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2020-10-14 07:03:04,121 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2020-10-14 07:03:04,121 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2020-10-14 07:03:04,121 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2020-10-14 07:03:04,122 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 523 545) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,122 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 523 545) no Hoare annotation was computed. [2020-10-14 07:03:04,122 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,122 INFO L264 CegarLoopResult]: At program point L535-1(line 535) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,122 INFO L268 CegarLoopResult]: For program point L533(lines 533 540) no Hoare annotation was computed. [2020-10-14 07:03:04,122 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 540) no Hoare annotation was computed. [2020-10-14 07:03:04,122 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-14 07:03:04,123 INFO L264 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,123 INFO L264 CegarLoopResult]: At program point L529(line 529) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,123 INFO L264 CegarLoopResult]: At program point L529-1(line 529) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,123 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 523 545) no Hoare annotation was computed. [2020-10-14 07:03:04,123 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 479 502) no Hoare annotation was computed. [2020-10-14 07:03:04,123 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 479 502) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 479 502) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-10-14 07:03:04,124 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-14 07:03:04,125 INFO L264 CegarLoopResult]: At program point L737(line 737) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:03:04,125 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 731 745) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point L735(lines 735 741) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 731 745) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 731 745) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 686 694) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 686 694) the Hoare annotation is: true [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 686 694) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point L702(lines 702 710) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point L702-2(lines 702 710) no Hoare annotation was computed. [2020-10-14 07:03:04,126 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point L725-1(line 725) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 695 730) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point L714(lines 714 722) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point L714-2(lines 714 722) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 695 730) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 695 730) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-10-14 07:03:04,127 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 512 522) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 512 522) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 512 522) no Hoare annotation was computed. [2020-10-14 07:03:04,128 INFO L264 CegarLoopResult]: At program point L517(line 517) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2020-10-14 07:03:04,128 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 675 685) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 675 685) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point L680(line 680) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point L680-1(line 680) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 675 685) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 667 674) the Hoare annotation is: true [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 667 674) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 667 674) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 652 658) no Hoare annotation was computed. [2020-10-14 07:03:04,129 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 652 658) the Hoare annotation is: true [2020-10-14 07:03:04,129 INFO L264 CegarLoopResult]: At program point L609(lines 558 610) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-10-14 07:03:04,129 INFO L264 CegarLoopResult]: At program point testENTRY(lines 549 616) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-14 07:03:04,129 INFO L264 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,129 INFO L268 CegarLoopResult]: For program point testFINAL(lines 549 616) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L268 CegarLoopResult]: For program point L597(lines 597 603) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L264 CegarLoopResult]: At program point L597-1(lines 589 604) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,130 INFO L268 CegarLoopResult]: For program point L560(lines 559 608) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,130 INFO L268 CegarLoopResult]: For program point L589(lines 589 604) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,130 INFO L268 CegarLoopResult]: For program point L579(lines 579 585) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L268 CegarLoopResult]: For program point L579-1(lines 579 585) no Hoare annotation was computed. [2020-10-14 07:03:04,130 INFO L264 CegarLoopResult]: At program point L606(lines 559 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,131 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L561(lines 561 565) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point testEXIT(lines 549 616) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L264 CegarLoopResult]: At program point L864(line 864) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L864-1(line 864) no Hoare annotation was computed. [2020-10-14 07:03:04,131 INFO L268 CegarLoopResult]: For program point L862(lines 862 879) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point L862-1(lines 854 882) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point L860-1(line 860) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 854 882) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:04,132 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 854 882) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point L867(lines 867 873) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point L866(lines 866 876) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 846 853) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 846 853) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 846 853) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 812 834) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 812 834) no Hoare annotation was computed. [2020-10-14 07:03:04,132 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 812 834) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-10-14 07:03:04,133 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2020-10-14 07:03:04,134 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 659 666) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 835 843) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 835 843) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 835 843) no Hoare annotation was computed. [2020-10-14 07:03:04,135 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,136 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,136 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,136 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 791 802) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-14 07:03:04,136 INFO L268 CegarLoopResult]: For program point L795-1(lines 791 802) no Hoare annotation was computed. [2020-10-14 07:03:04,136 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 791 802) no Hoare annotation was computed. [2020-10-14 07:03:04,136 INFO L264 CegarLoopResult]: At program point L641(line 641) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,136 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,136 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-10-14 07:03:04,137 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 446 475) no Hoare annotation was computed. [2020-10-14 07:03:04,137 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 446 475) the Hoare annotation is: true [2020-10-14 07:03:04,137 INFO L271 CegarLoopResult]: At program point L471(lines 446 475) the Hoare annotation is: true [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-10-14 07:03:04,137 INFO L268 CegarLoopResult]: For program point L460(lines 460 464) no Hoare annotation was computed. [2020-10-14 07:03:04,138 INFO L271 CegarLoopResult]: At program point L460-1(lines 460 464) the Hoare annotation is: true [2020-10-14 07:03:04,138 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-14 07:03:04,138 INFO L271 CegarLoopResult]: At program point L456-2(lines 456 470) the Hoare annotation is: true [2020-10-14 07:03:04,138 INFO L271 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-10-14 07:03:04,138 INFO L268 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-14 07:03:04,138 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 803 811) the Hoare annotation is: true [2020-10-14 07:03:04,138 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 803 811) no Hoare annotation was computed. [2020-10-14 07:03:04,138 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 803 811) no Hoare annotation was computed. [2020-10-14 07:03:04,139 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 767 778) the Hoare annotation is: true [2020-10-14 07:03:04,139 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 767 778) no Hoare annotation was computed. [2020-10-14 07:03:04,139 INFO L268 CegarLoopResult]: For program point L771-1(lines 767 778) no Hoare annotation was computed. [2020-10-14 07:03:04,139 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 503 509) no Hoare annotation was computed. [2020-10-14 07:03:04,139 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 503 509) the Hoare annotation is: true [2020-10-14 07:03:04,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,139 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~pumpRunning~0 0) [2020-10-14 07:03:04,139 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 746 753) no Hoare annotation was computed. [2020-10-14 07:03:04,140 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 746 753) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 746 753) no Hoare annotation was computed. [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 779 790) no Hoare annotation was computed. [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point L783-1(lines 779 790) no Hoare annotation was computed. [2020-10-14 07:03:04,140 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 779 790) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-14 07:03:04,140 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 755 762) no Hoare annotation was computed. [2020-10-14 07:03:04,141 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 759) no Hoare annotation was computed. [2020-10-14 07:03:04,141 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 755 762) the Hoare annotation is: true [2020-10-14 07:03:04,141 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 755 762) no Hoare annotation was computed. [2020-10-14 07:03:04,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 07:03:04 BoogieIcfgContainer [2020-10-14 07:03:04,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-14 07:03:04,160 INFO L168 Benchmark]: Toolchain (without parser) took 27767.45 ms. Allocated memory was 146.8 MB in the beginning and 678.4 MB in the end (delta: 531.6 MB). Free memory was 101.8 MB in the beginning and 112.5 MB in the end (delta: -10.7 MB). Peak memory consumption was 541.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,161 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 612.15 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,162 INFO L168 Benchmark]: Boogie Preprocessor took 123.35 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 166.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,163 INFO L168 Benchmark]: RCFGBuilder took 1191.32 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 200.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,164 INFO L168 Benchmark]: TraceAbstraction took 25833.10 ms. Allocated memory was 237.0 MB in the beginning and 678.4 MB in the end (delta: 441.5 MB). Free memory was 199.1 MB in the beginning and 112.5 MB in the end (delta: 86.6 MB). Peak memory consumption was 548.9 MB. Max. memory is 7.1 GB. [2020-10-14 07:03:04,169 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.8 MB. Free memory was 121.3 MB in the beginning and 120.9 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 612.15 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.8 MB in the beginning and 172.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.35 ms. Allocated memory is still 203.4 MB. Free memory was 172.2 MB in the beginning and 166.5 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1191.32 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 166.5 MB in the beginning and 200.8 MB in the end (delta: -34.4 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25833.10 ms. Allocated memory was 237.0 MB in the beginning and 678.4 MB in the end (delta: 441.5 MB). Free memory was 199.1 MB in the beginning and 112.5 MB in the end (delta: 86.6 MB). Peak memory consumption was 548.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 759]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (splverifierCounter <= 0 && pumpRunning == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 209 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 254 SDtfs, 292 SDslu, 177 SDs, 0 SdLazy, 623 SolverSat, 191 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 63 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 130 PreInvPairs, 153 NumberOfFragments, 574 HoareAnnotationTreeSize, 130 FomulaSimplifications, 7788 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 4791 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.6s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 39637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...